78,66,64,72,81,77,65,66. what's the mean?

What is the approximate circumference of the circle shown below?

Which function is odd check all that apply a. y=sin x b. y=csc x c. y=cot x d. y=sec x

Parks is wearing several rubber bracelets one third of the bracelets are tie dye 1/6 are blue and 1/3 of the remainder are camouflage if park swears to camouflage bracelets how many bracelets does he have on